Isle of Wight Disease in Hive Bees. 



29 



stocks had died of Isle of Wight disease. This new stock and hive is 

 named Grl4. 



No further cases of Isle of Wight disease have arisen in the Nicolson 

 Apiary, although, as the records below show, Nosema could be obtained from 

 bees there at almost any time. 



The number of stocks in the apiary varied from 4 to 14 during this period. 

 X — spores present. o — spores absent. y.s. — young stages. 



Summary of Characteristics of Isle of Wight Disease as seen in 



Lewis Outbreaks. 



(1) In relation to area beyond the Island. 



{a) Simultaneous outbreak of two cases 5 J miles apart of stocks intro- 

 duced from same source (Sussex), 4 months previously. A9 and 

 Bayble stock. 



